12.2-GHz methanol maser MMB follow-up catalogue – IV. Longitude range 20°–60°
نویسندگان
چکیده
منابع مشابه
The 6-GHz methanol multibeam maser catalogue IV: Galactic longitudes 186◦ to 330◦ including the Orion–Monoceros region
We present the fourth portion of a Galactic Plane survey of methanol masers at 6668MHz, spanning the longitude range 186◦ to 330◦. We report 207 maser detections, 89 new to the survey. This completes the southern sky part of the Methanol Multibeam survey and includes a large proportion of new sources, 43%. We also include results from blind observations of the Orion–Monoceros star forming regio...
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We present the second portion of an unbiased survey of the Galactic plane for 6668MHz methanol masers. This section of the survey spans the longitude range 6◦ to 20◦. We report the detection of 119 maser sources, of which 42 are new discoveries. The masers are tightly constrained to the Galactic plane, with only four outside a latitude range of ±1◦. This longitude region includes the brightest ...
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We have conducted a Galactic plane survey of methanol masers at 6668 MHz using a 7-beam receiver on the Parkes telescope. Here we present results from the first part, which provides sensitive unbiased coverage of a large region around the Galactic Centre. Details are given for 183 methanol maser sites in the longitude range 345◦ through the Galactic Centre to 6◦. Within 6◦ of the Centre, we fou...
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We have used the Australia Telescope National Facility Mopra 22m millimetre telescope to search for emission from the 6 −2-7−1 E (85.5-GHz) and 72-63 A − (86.6GHz) transitions of methanol. The search was targeted towards 22 star formation regions which exhibit maser emission in the 107.0-GHz 31-40 A + methanol transition, as well as in the 6.6-GHz 51-60 A + transition characteristic of class II...
متن کاملA general catalogue of 6.7-GHz methanol masers⋆ I: data
Methanol masers are often detected in regions of intense star formation. Several studies in the last decade indicate that they may even be the earliest signpost of a high-mass star-forming region. Their powerful emission make them very good candidates for observations using both single–dish telescopes and interferometers, the latter allows detailed structural and dynamical studies of these obje...
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ژورنال
عنوان ژورنال: Monthly Notices of the Royal Astronomical Society
سال: 2016
ISSN: 0035-8711,1365-2966
DOI: 10.1093/mnras/stw965